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File:Petalodont chondrichthyan sharks would have swum in the waters above the Mammoth Cave region over 325 million years ago. The (7fa0e59b-787f-4fc5-961a-f5460acc229a).jpg

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Summary edit

English: Petalodont chondrichthyan tooth
Photographer
English: NPS Photo
Title
English: Petalodont chondrichthyan tooth
Description
English:

A small smooth and rounded shark tooth embedded in a rock wall.

Petalodont chondrichthyan sharks would have swum in the waters above the Mammoth Cave region over 325 million years ago. The teeth were used to crush the outer shells of corals that were abundant on the sea floor.

*Subject: A smooth brown shark tooth is embedded into rock

  • Keywords: Research; Paleontological Resources Inventory; Fossil; Shark Fossil; National Park Service Paleontology Program; Paleontology; Mammoth Cave National Park; Mammoth Cave
Depicted place
English: Mammoth Cave National Park, Kentucky
Date Taken on 12 October 2020
Accession number
7fa0e59b-787f-4fc5-961a-f5460acc229a
Source
English: NPGallery
Permission
(Reusing this file)
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.
NPS Unit Code
InfoField
MACA
Album(s)
InfoField
English: Shark Fossils: Paleontological Research Inventory at Mammoth Cave

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current03:56, 6 March 2024Thumbnail for version as of 03:56, 6 March 20241,295 × 1,727 (955 KB)BMacZeroBot (talk | contribs)Batch upload (Commons:Batch uploading/NPGallery)

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